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16 lines
486 B
Plaintext
16 lines
486 B
Plaintext
( Read word from C<, copy to WORDBUF, null-terminate, and
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return WORDBUF. )
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: _wb 0x0e RAM+ ;
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: _eot 4 _wb ! _wb ;
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: WORD
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_wb 1+ TOWORD ( a c )
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DUP EOT? IF 2DROP _eot EXIT THEN
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BEGIN
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( We take advantage of the fact that char MSB is
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always zero to pre-write our null-termination )
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OVER ! 1+ C< ( a c )
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OVER 0x2d ( 2e-1 for NULL ) RAM+ = OVER WS? OR
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UNTIL ( a c )
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SWAP _wb - 1- ( ws len ) _wb C!
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EOT? IF _eot ELSE _wb 1+ THEN ;
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